msg = None
win_dict = {}  # 保存已经打开窗口
friend_frame = {} # 保存每个联系人
friend_on_list = []  # 用户上线
friend_off_list = []  # 用户离线
add_friend_list = []  # 添加好友
fri_re = []  # 好友请求结果
chat_list = []  # 好友私聊信息
is_friend = []
disconnect = []  # 异常断开
create_room = []  # 创建群聊